<template>
  <!-- 最外层的容器 -->
  <view class="my-settle-container">
    <!-- 全选区域 -->
    <label class="radio" @click="changeAllState">
      <radio color="#C00000" :checked="isFullCheck" />
      <text>全选</text>
    </label>
    <!-- 合计 -->
    <view class="amount-box">
      合计:
      <text class="amount">￥{{ checkedGoodsAmount }}</text>
    </view>
    <!-- 按钮 -->
    <view class="btn-settle" @click="settlement">结算({{ checkedCount }})</view>
  </view>
</template>

<script>
import { mapGetters, mapMutations, mapState } from 'vuex';
export default {
  name: 'my-settle',
  data() {
    return {
      // 倒计时的秒数
      seconds: 3,
      // 定时器的 Id
      timer: null
    };
  },
  computed: {
    ...mapGetters('m_cart', ['checkedCount', 'total', 'checkedGoodsAmount']),
    ...mapGetters('m_user', ['addstr']),
    // token 是用户登录成功之后的 token 字符串
    ...mapState('m_user', ['token']),
    isFullCheck() {
      return this.total === this.checkedCount;
    }
  },
  methods: {
    ...mapMutations('m_cart', ['updateAllGoodsState']),
    ...mapMutations('m_user', ['updateRedirectInfo']),
    changeAllState() {
      console.log(!this.isFullCheck);
      this.updateAllGoodsState(!this.isFullCheck);
    },
    settlement() {
      if (!this.checkedCount) return uni.$showMsg('请选择要结算的商品！');
      if (!this.addstr) return uni.$showMsg('请选择收货地址！');

      // if (!this.token) return uni.$showMsg('请先登录');
      if (!this.token) return this.delayNavigate();
      
      // 实现微信支付功能
      this.payOrder()
    },
    async payOrder(){
      const orderInfo = {
        order_price:0.01,
        consignee_addr: this.addstr,
        goods:this.cart.filter(x => x.goods_state).map(x => ({
          goods_id: x.goods_id, goods_number: x.goods_count, goods_price: x.goods_price
        }))
      }
      
      const {data :res } = await uni.$http.post('/api/public/v1/my/orders/create', orderInfo)
      if (res.meta.status !== 200) return uni.$showMsg('创建订单失败！')
      const orderNumber = res.message.order_number
      
      const { data :res2 } = await uni.$http.post('/api/public/v1/my/orders/req_unifiedorder',{order_number: orderNumber})
      if (res2.meta.status !== 200) return uni.$showError('预付订单生成失败！')
      const payInfo = res2.message.pay
      
      const [err, succ] = await uni.requestPayment(payInfo)
      if(err) return uni.$showMsg('订单未支付！')
      const {data:res3} = await uni.$http.post('/api/public/v1/my/orders/chkOrder', {order_number: orderNumber})
      if(res3.meta.status !== 200) return uni.$showMsg('订单未支付')
      uni.showToast({
        title:'支付完成！',
        icon:'success’'
      })
    },
    // 展示倒计时的提示消息
    showTips(n) {
      // 调用 uni.showToast() 方法，展示提示消息
      uni.showToast({
        // 不展示任何图标
        icon: 'none',
        // 提示的消息
        title: '请登录后再结算！' + n + ' 秒后自动跳转到登录页',
        // 为页面添加透明遮罩，防止点击穿透
        mask: true,
        // 1.5 秒后自动消失
        duration: 1500
      });
    },
    delayNavigate() {
      this.seconds = 3
      this.showTips(this.seconds);

     this.timer =  setInterval(() => {
        this.seconds--;
        
        if(this.seconds <= 0){
          clearInterval(this.timer)
          
          uni.switchTab({
            url:'/pages/My/My',
            success: () => {
              this.updateRedirectInfo({
                openType:'switchTab',
                from:'/pages/cart/cart'
              })
            }
          })
          
          return
        }
        this.showTips(this.seconds);
      }, 1000);
    }
  }
};
</script>

<style lang="scss">
.my-settle-container {
  /* 底部固定定位 */
  position: fixed;
  bottom: 0;
  left: 0;
  /* 设置宽高和背景色 */
  width: 100%;
  height: 50px;
  background-color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-left: 5px;
  font-size: 14px;

  .radio {
    display: flex;
    align-items: center;
  }

  .amount {
    color: #c00000;
  }

  .btn-settle {
    height: 50px;
    min-width: 100px;
    background-color: #c00000;
    color: white;
    line-height: 50px;
    text-align: center;
    padding: 0 10px;
  }
}
</style>
